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CO-92 Denial Code (Deactivated): Claim Paid in Full

CO-92 said the claim was paid in full. X12 deactivated it without a replacement, because a fully paid claim is already evident from the payment amount and claim status on the remittance.

X12 deactivated CARC92 on October 16, 2003. Payers should no longer use it on new remittances, but it can still appear on older ERAs, corrected claims, and appeals.

Code: CO-92 (CARC 92)
Status: Deactivated StoppedOctober 16, 2003 (in use since January 1, 1995).
Code set: Claim Adjustment Reason Codes (CARC)
Group codes: CO (Contractual Obligation): Reported as an informational line; no amount shifted to the provider or patient because of it.
Official description: Claim Paid in full.
X12 Claim Adjustment Reason Codes, retrieved September 25, 2026
Last verified: September 24, 2026 against the official X12 list.

What CO-92 meant

CARC 92 was a confirmation, not a problem: the payer had paid the claim in full. It usually came through as a zero-dollar or informational adjustment line. “In full” meant the payer paid what it considered payable, which is not always the same as the billed charge.

What replaced it

No replacement was named, and none is needed. The 835 reports claim status and paid amounts directly, so the fact that a claim was paid is visible without a reason code. Codes that commonly sit on paid claims today include CO-45 for the reduction to the allowed amount, CO-94 when a payment exceeds charges, and OA-23 when a secondary payer pays the remaining balance.

If you still see CO-92

Only in very old remittances or legacy system conversions. If it posted a zero-dollar adjustment in your system, verify it did not leave an open balance or duplicate transaction. Otherwise, confirm the payment matches your expected amount and close the claim.

CO-45 (Charge exceeds fee schedule/maximum allowable or contracted/legislated fee arrangement.): Even paid-in-full claims usually carry a contractual reduction to the allowed amount.
CO-94 (Processed in Excess of charges.): Processed in excess of charges, when the payment exceeds the billed amount.
OA-23 (The impact of prior payer(s) adjudication including payments and/or adjustments. (Use only with Group Code OA)): Impact of prior payer adjudication, common on secondary claims that pay the balance.

CO-92 FAQ

Why would a payer need a code to say a claim was paid?

Early remittance formats used adjustment codes for some informational messages. Once the 835 structure made payment status and amounts explicit, a paid-in-full code added nothing.

What should I do with a CO-92 line?

Nothing beyond posting the payment. Check whether any zero-dollar CO-92 line is creating a stray entry in your system and clear it.

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